Number of nX8 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.

A183491

Number of nX8 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.

Terms

    a(0) =139a(1) =176320a(2) =2438053a(3) =283516092a(4) =82763266524

External references